Barangay Poblacion I

Barangay Poblacion I forms part of Siaton, a municipality in Negros Oriental, and is classified as a small barangay.

According to the 2020 Census of Population and Housing conducted by the Philippine Statistics Authority, Barangay Poblacion I had a population of 1,886. This made it the 25th largest of 26 barangays in Siaton by population, placing it among the smaller barangays of the municipality. Residents of Barangay Poblacion I accounted for approximately 2.27% of the total population of Siaton, which stood at 83,082 in the same census year.

Census comparisons between 2015 and 2020 show Barangay Poblacion I moving from 2,082 residents to 1,886 residents, an intercensal change of -9.4%. The trajectory indicates a contracting community. The Philippine Statistics Authority classifies Barangay Poblacion I as urban, reflecting the density and built-up character of the area.

Siaton is a municipality comprising 26 barangays, and serves as the governing unit directly responsible for local services in Barangay Poblacion I, including public health, sanitation, peace and order, and civil registration. Within the wider province of Negros Oriental, which contains 557 barangays across its component cities and municipalities, Barangay Poblacion I ranks 292nd by 2020 population. Negros Oriental is classified as a 1st by the Bureau of Local Government Finance, a category that reflects the province's annual regular income.

Barangay Poblacion I is governed by an elected Sangguniang Barangay composed of a Punong Barangay and seven kagawads, with the Sangguniang Kabataan representing the youth. The next BSKE, set for Monday, November 2, 2026, will elect officials to four-year terms as provided under Republic Act No. 12232.